Research progress of conversion and utilization of upgraded lignite by hydrothermal dewatering

LIU Jianzhong; WU Junhong; WANG Zhihua; CEN Kefa

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Research progress of conversion and utilization of upgraded lignite by hydrothermal dewatering

Thermal Power Generation Issue 10, (2017)

更新时间：2025-09-28

- Research progress of conversion and utilization of upgraded lignite by hydrothermal dewatering
- 作者机构：
  
  浙江大学能源清洁利用国家重点实验室,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TQ536
- Published Online：01 November 2017，
  
  Published：2017
- 稿件说明：
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LIU Jianzhong, WU Junhong, WANG Zhihua, et al. Research progress of conversion and utilization of upgraded lignite by hydrothermal dewatering[J]. Thermal Power Generation, 2017, (10).
DOI：

LIU Jianzhong, WU Junhong, WANG Zhihua, et al. Research progress of conversion and utilization of upgraded lignite by hydrothermal dewatering[J]. Thermal Power Generation, 2017, (10). DOI：

摘要

中国褐煤储量丰富，但高含水率、低热值的特点制约了褐煤的加工转化和利用。水热脱水提质工艺由于具备脱水耗能低、脱氧、碳化以及表面改性等深度改性的特点而受到关注。目前，褐煤水热提质研究多偏向于单点的机理研究，而水热提质对于各种煤炭热转化及加工利用的影响及其产业化应用的前景分析缺乏。本文在阐述褐煤水热提质发展历程的基础上，重点探讨了水热提质对水煤浆制浆、液化、气化、热解和燃烧等方面的影响机理，并针对褐煤水热提质工艺和产业化应用存在的问题，提出了推进水热提质煤和水热废水直接制备高浓度水煤浆工业化应用，积极开展水热褐煤提质及转化利用工艺的技术研发，以及将褐煤水热提质与水煤浆气化、煤热解多联产系统、提质煤成型等工艺过程进行有机耦合等建议。

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